Flow price: --
b723e0c8379470d748aec52ae20e18b37b241909572ae2c8bb6c16cb3eb86b7f

Transaction

Hash: b723e0c8379470d748aec52ae20e18b37b241909572ae2c8bb6c16cb3eb86b7f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b723e0c8379470d748aec52ae20e18b37b241909572ae2c8bb6c16cb3eb86b7f:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b723e0c8379470d748aec52ae20e18b37b241909572ae2c8bb6c16cb3eb86b7f
Status:
ERROR
Block height:
40107109
Block id:
be96cd5bb237082df28b59c992f96e92eccba0cf225efa1188d87aaaec9f9c11
Timestamp:
Tuesday 1 November 2022 at 12:47:46 UTC
()
Proposer:
Authorizers:
Gas used:
49